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Words of the Day. 8 th grade. Word of the Day: Front. force, heaviness, weight. Gravity. grav -i-tee. gravitational. Word of the Day: Back. Definition: An attractive force between all objects that have mass. Other: “What goes up must come down”. Word of the Day: Front. spin, twirl.

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word of the day front
Word of the Day: Front

force, heaviness, weight

Gravity

grav-i-tee

gravitational

word of the day back
Word of the Day: Back

Definition: An attractive force between

all objects that have mass.

Other: “What goes up must come down”

word of the day front1
Word of the Day: Front

spin, twirl

Rotation

roh-tey-shuhn

rotate, rotational

word of the day back1
Word of the Day: Back

Definition: the movement of

something turning around on its axis

Other: 1 rotation of Earth = 1 day

word of the day front2
Word of the Day: Front

cycle, orbit

Revolution

rev-uh-loo-shuhn

revolve

word of the day back2
Word of the Day: Back

Definition: moving in a circular course

around a central point

Other: 1 revolution of Earth = 1 year

word of the day front3
Word of the Day: Front

Astronomical Unit

as-truh-nom-i-kuh l yoo-nit

AU

word of the day back3
Word of the Day: Back

Definition: The AVERAGE distance from Earth to the sun.

Other: It must be an average because the distance between Earth and the Sun changes during the year.

word of the day front4
Word of the Day: Front

revolution, path, track

Orbit

or-bit

orbiting

word of the day back4
Word of the Day: Back

Definition: The curved path of an

object traveling around a point in space.

Other: This curve is caused by gravity.

word of the day front5
Word of the Day: Front

shading, darkening

Solar Eclipse

soh-lerih-klips

eclipsing

word of the day back5
Word of the Day: Back

Definition: An exact alignment of the

Earth, Moon, and Sun which causes the moon to cast a shadow on a portion of the Earth.

Other: we cannot see the sun

word of the day front6
Word of the Day: Front

shading, darkening

Lunar Eclipse

loo-nerih-klips

eclipsing

word of the day back6
Word of the Day: Back

Definition: An exact alignment of the

Moon, Earth, and Sun which causes the Earth to cast a shadow on all or part of the Moon.

Other: This can only happen during the full moon.

word of the day front7
Word of the Day: Front

Inner Planets

in-erplan-its

word of the day back7
Word of the Day: Back

Definition: These planets are closer to

the sun and small and rocky.

Other: Mercury, Venus, Earth, & Mars

word of the day front8
Word of the Day: Front

Outer Planets

ow-terplan-its

word of the day back8
Word of the Day: Back

Definition: These planets are farther

from the sun and are large and gassy

Other: Jupiter, Saturn, Uranus, Neptune

word of the day front9
Word of the Day: Front

Independent Variable

in-di-pen-duh ntvair-ee-uh-buhl

word of the day back9
Word of the Day: Back

Definition: The part of the

experiment that you are testing or changing

Other: always compared to a “control”

word of the day front10
Word of the Day: Front

Dependent Variable

dih-pen-duh ntvair-ee-uh-buhl

word of the day back10
Word of the Day: Back

Definition: The part of the

experiment that you are measuring

Other: can measure color, height, weight, temp., etc…

word of the day front11
Word of the Day: Front

numbers

Quantitative Data

kwon-ti-tey-tivdey-tuh

quantity, quantitate

word of the day back11
Word of the Day: Back

Definition: Using numbers to describe

what is happening before, during, and after the experiment.

Other: must include units: centimeters, °Celsius, grams…

word of the day front12
Word of the Day: Front

sun

Star

stahr

starless

word of the day back12
Word of the Day: Back

Definition: A giant ball of gas that

emits energy in the form of light

Other: the closest star to us is our sun!

word of the day back13
Word of the Day: Back

Definition: the distance light travels in

one year

Other: used to measure distances between stars and galaxies

word of the day front14
Word of the Day: Front

Spectroscope

spek-truh-skohp

word of the day back14
Word of the Day: Back

Definition: the tool scientists use to

look at stars and determine what they are

made of

word of the day front15
Word of the Day: Front

brightness

Luminosity

loo-muh-nos-i-tee

luminous, illuminate

word of the day back15
Word of the Day: Back

Definition: the brightness of a star as

compared to our sun

word of the day front16
Word of the Day: Front

Galaxy

Gal- uh k-see

galactic

word of the day back16
Word of the Day: Back

Definition: a cluster of BILLIONS of

stars

Other: spiral, elliptical, and irregular

We live in the Milky Way Galaxy (spiral)

word of the day front17
Word of the Day: Front

Reference Point

ref-er-uh ns

word of the day back17
Word of the Day: Back

Definition: a starting point to describe

the position of an object

word of the day front18
Word of the Day: Front

location

Position

puh- zish- uh n

word of the day back18
Word of the Day: Back

Definition: the location of something.

Other: determined by a reference point, (RP)

direction from the RP, and

distance from the RP

word of the day front19
Word of the Day: Front

Distance

dis-tuh ns

word of the day back19
Word of the Day: Back

Definition: the total length of the

path taken

Other: total = 5m + 4m + 5m = 14 m

5 m

4 m

5 m

word of the day front20
Word of the Day: Front

Displacement

dis-pleys-muh nt

word of the day back20
Word of the Day: Back

Definition: the shortest distance

between starting position and ending position

Other: draw a straight line